Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test. Carcinoembryonic antigen (CEA) is a glycoprotein normally found in embryonic entodermal epithelium.
Europe's Coldest Cities in Summer. Europe's northernmost city has the continent's coolest summers. No other major city stays anywhere as tepid as ReykjavÃ­k, Iceland, where maximum temperatures average a meagre 12.7 degrees Celsius (54.8 degrees Fahrenheit). That's over five degrees Celsius (10 Â°F) lower than the next coldest city, Leeds.
While other parts of Europe become wet and dreary in November, much of Portugal sees unusually warm and sunny weather referred to as St. Martinâs summer. St. Martinâs Day on November 11 brings country-wide celebrations, including indulging in roasted chestnuts and a local alcoholic beverage called gerupiga.